TYPES OF DATABASES

TYPES OF DATABASES

1. ONLINE

   • Why they are used
     • to see products
   • Examples
     • Amazon
     • Ebay

2. LOCAL AND NETWORK

   • local
     • why they are used
       • for internal use. not used by customers but used by only employers
     • examples
       • schools
   • network
     • example
       • schools
       • progresso
     • why they are used
       • more than one person can use it

3. FLAT AND RELATIONAL

   • Flat
     • why they are used
       • One table with all information
     • examples
       • one man bands;
         • cake buisness
           • 20 -30 people; friends and family
   • Relational
     • Examples
       • amazon
       • eBay
       • big companies 100-900 people
     • Why are they used
       • redundant data
       • less likely to make mistakes. better than using flat as using less memory and making it quicker